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Finding the Fourth Proportional to 124,570.95, 186,741.29 and 49,672.88

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Solution

The fourth proportional to 124,570.95, 186,741.29 and 49,672.88 is: 74,463.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,570.95 : 186,741.29 = 49,672.88 : x
  2. Step 2: Convert to fraction form
    124,570.95/186,741.29 = 49,672.88/x
  3. Step 3: Cross multiply
    124,570.95x = 186,741.29 × 49,672.88
  4. Step 4: Simplify right side
    124,570.95x = 9,275,976,507.14
  5. Step 5: Solve for x
    x = 9,275,976,507.14/124,570.95
  6. Step 6: Final answer
    x = 74,463.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.